Re: Teaching solar system models. Websites or software?

"Androcles" <Engineer@xxxxxxxxxxxxxxxx> wrote in news:oJSzi.2359$g.2107
@fe1.news.blueyonder.co.uk:


The Copernican heliocentric model still has the entire universe
centred on the Sun, but is a simpler alternative to the Ptolemaic
model for retrograde motion. It was not adopted until Galileo
saw the Jovian moons were not orbiting Earth, but Jupiter instead.
Oddly enough this gives credence to Ptolemy's epicycles and
is a reason the Church was reluctant to adopt the Copernican
model, telling Galileo to shut up.

After that Kepler with elliptical orbits,

Wrong order. Kepler published his discovery that Mars' orbit was an ellipse
in Astronomia Nova (1609) (along with his 2nd law). Findings which were
ignored by Galileo. Galileo's views first came to the attention of the
inquisition in 1611. In 1616 Galileo was bascially told to shut up although
there seems some dispute about exactly what Galileo was supposed to shut up
about. When Galileo's trial occurred in 1633, Galileo gobsmacked his
accusers by presenting a letter showing he was not banned from teaching
Copernicus ideas as a hypothesis. He had obtained the letter from the (by
then) late Cardinal Bellarmine who was earlier the inquisition's chief
honcho. Probably this was the only thing that saved Galileo's life.

Klazmon.



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